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netsurf/cocoa/PSMTabBarControl/PSMTabBarControl.m

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//
// PSMTabBarControl.m
// PSMTabBarControl
//
// Created by John Pannell on 10/13/05.
// Copyright 2005 Positive Spin Media. All rights reserved.
//
#import "PSMTabBarControl.h"
#import "PSMTabBarCell.h"
#import "PSMOverflowPopUpButton.h"
#import "PSMRolloverButton.h"
#import "PSMTabStyle.h"
#import "PSMUnifiedTabStyle.h"
#import "PSMTabDragAssistant.h"
#import "PSMTabBarController.h"
@interface PSMTabBarControl (Private)
// constructor/destructor
- (void)initAddedProperties;
// accessors
- (NSEvent *)lastMouseDownEvent;
- (void)setLastMouseDownEvent:(NSEvent *)event;
// contents
- (void)addTabViewItem:(NSTabViewItem *)item;
- (void)removeTabForCell:(PSMTabBarCell *)cell;
// draw
- (void)update;
- (void)update:(BOOL)animate;
- (void)_setupTrackingRectsForCell:(PSMTabBarCell *)cell;
- (void)_positionOverflowMenu;
- (void)_checkWindowFrame;
// actions
- (void)overflowMenuAction:(id)sender;
- (void)closeTabClick:(id)sender;
- (void)tabClick:(id)sender;
- (void)tabNothing:(id)sender;
// notification handlers
- (void)frameDidChange:(NSNotification *)notification;
- (void)windowDidMove:(NSNotification *)aNotification;
- (void)windowDidUpdate:(NSNotification *)notification;
// NSTabView delegate
- (void)tabView:(NSTabView *)tabView didSelectTabViewItem:(NSTabViewItem *)tabViewItem;
- (BOOL)tabView:(NSTabView *)tabView shouldSelectTabViewItem:(NSTabViewItem *)tabViewItem;
- (void)tabView:(NSTabView *)tabView willSelectTabViewItem:(NSTabViewItem *)tabViewItem;
- (void)tabViewDidChangeNumberOfTabViewItems:(NSTabView *)tabView;
// archiving
- (void)encodeWithCoder:(NSCoder *)aCoder;
- (id)initWithCoder:(NSCoder *)aDecoder;
// convenience
- (void)_bindPropertiesForCell:(PSMTabBarCell *)cell andTabViewItem:(NSTabViewItem *)item;
- (id)cellForPoint:(NSPoint)point cellFrame:(NSRectPointer)outFrame;
- (void)_animateCells:(NSTimer *)timer;
@end
@implementation PSMTabBarControl
#pragma mark -
#pragma mark Characteristics
+ (NSBundle *)bundle;
{
static NSBundle *bundle = nil;
if(!bundle) {
bundle = [NSBundle bundleForClass:[PSMTabBarControl class]];
}
return bundle;
}
/*!
@method availableCellWidth
@abstract The number of pixels available for cells
@discussion Calculates the number of pixels available for cells based on margins and the window resize badge.
@returns Returns the amount of space for cells.
*/
- (CGFloat)availableCellWidth {
return [self frame].size.width - [style leftMarginForTabBarControl] - [style rightMarginForTabBarControl] - _resizeAreaCompensation;
}
/*!
@method genericCellRect
@abstract The basic rect for a tab cell.
@discussion Creates a generic frame for a tab cell based on the current control state.
@returns Returns a basic rect for a tab cell.
*/
- (NSRect)genericCellRect {
NSRect aRect = [self frame];
aRect.origin.x = [style leftMarginForTabBarControl];
aRect.origin.y = 0.0;
aRect.size.width = [self availableCellWidth];
aRect.size.height = [style tabCellHeight];
return aRect;
}
#pragma mark -
#pragma mark Constructor/destructor
- (void)initAddedProperties {
_cells = [[NSMutableArray alloc] initWithCapacity:10];
_controller = [[PSMTabBarController alloc] initWithTabBarControl:self];
_animationTimer = nil;
// default config
_currentStep = kPSMIsNotBeingResized;
_orientation = PSMTabBarHorizontalOrientation;
_canCloseOnlyTab = NO;
_disableTabClose = NO;
_showAddTabButton = NO;
_hideForSingleTab = NO;
_sizeCellsToFit = NO;
_isHidden = NO;
_awakenedFromNib = NO;
_automaticallyAnimates = NO;
_useOverflowMenu = YES;
_allowsBackgroundTabClosing = YES;
_allowsResizing = NO;
_selectsTabsOnMouseDown = NO;
_alwaysShowActiveTab = NO;
_allowsScrubbing = NO;
_cellMinWidth = 100;
_cellMaxWidth = 280;
_cellOptimumWidth = 130;
_tearOffStyle = PSMTabBarTearOffAlphaWindow;
style = [[[[self class] defaultStyleClass] alloc] init];
// the overflow button/menu
NSRect overflowButtonRect = NSMakeRect([self frame].size.width - [style rightMarginForTabBarControl] + 1, 0, [style rightMarginForTabBarControl] - 1, [self frame].size.height);
_overflowPopUpButton = [[PSMOverflowPopUpButton alloc] initWithFrame:overflowButtonRect pullsDown:YES];
[_overflowPopUpButton setAutoresizingMask:NSViewNotSizable | NSViewMinXMargin];
[_overflowPopUpButton setHidden:YES];
[self addSubview:_overflowPopUpButton];
[self _positionOverflowMenu];
// new tab button
NSRect addTabButtonRect = NSMakeRect([self frame].size.width - [style rightMarginForTabBarControl] + 1, 3.0, 16.0, 16.0);
_addTabButton = [[PSMRolloverButton alloc] initWithFrame:addTabButtonRect];
if(_addTabButton) {
NSImage *newButtonImage = [style addTabButtonImage];
if(newButtonImage) {
[_addTabButton setUsualImage:newButtonImage];
}
newButtonImage = [style addTabButtonPressedImage];
if(newButtonImage) {
[_addTabButton setAlternateImage:newButtonImage];
}
newButtonImage = [style addTabButtonRolloverImage];
if(newButtonImage) {
[_addTabButton setRolloverImage:newButtonImage];
}
[_addTabButton setTitle:@""];
[_addTabButton setImagePosition:NSImageOnly];
[_addTabButton setButtonType:NSMomentaryChangeButton];
[_addTabButton setBordered:NO];
[_addTabButton setBezelStyle:NSShadowlessSquareBezelStyle];
[self addSubview:_addTabButton];
if(_showAddTabButton) {
[_addTabButton setHidden:NO];
} else {
[_addTabButton setHidden:YES];
}
[_addTabButton setNeedsDisplay:YES];
}
}
+ (Class) defaultStyleClass;
{
return [PSMUnifiedTabStyle class];
}
- (id)initWithFrame:(NSRect)frame {
self = [super initWithFrame:frame];
if(self) {
// Initialization
[self initAddedProperties];
[self registerForDraggedTypes:[NSArray arrayWithObjects:@"PSMTabBarControlItemPBType", nil]];
// resize
[self setPostsFrameChangedNotifications:YES];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(frameDidChange:) name:NSViewFrameDidChangeNotification object:self];
}
[self setTarget:self];
return self;
}
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
//stop any animations that may be running
[_animationTimer invalidate];
[_animationTimer release]; _animationTimer = nil;
[_showHideAnimationTimer invalidate];
[_showHideAnimationTimer release]; _showHideAnimationTimer = nil;
//Also unwind the spring, if it's wound.
[_springTimer invalidate];
[_springTimer release]; _springTimer = nil;
//unbind all the items to prevent crashing
//not sure if this is necessary or not
// http://code.google.com/p/maccode/issues/detail?id=35
NSEnumerator *enumerator = [[[_cells copy] autorelease] objectEnumerator];
PSMTabBarCell *nextCell;
while((nextCell = [enumerator nextObject])) {
[self removeTabForCell:nextCell];
}
[_overflowPopUpButton release];
[_cells release];
[_controller release];
[tabView release];
[_addTabButton release];
[partnerView release];
[_lastMouseDownEvent release];
[style release];
[self unregisterDraggedTypes];
[super dealloc];
}
- (void)awakeFromNib {
// build cells from existing tab view items
NSArray *existingItems = [tabView tabViewItems];
NSEnumerator *e = [existingItems objectEnumerator];
NSTabViewItem *item;
while((item = [e nextObject])) {
if(![[self representedTabViewItems] containsObject:item]) {
[self addTabViewItem:item];
}
}
}
- (void)viewWillMoveToWindow:(NSWindow *)aWindow {
NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
[center removeObserver:self name:NSWindowDidBecomeKeyNotification object:nil];
[center removeObserver:self name:NSWindowDidResignKeyNotification object:nil];
[center removeObserver:self name:NSWindowDidUpdateNotification object:nil];
[center removeObserver:self name:NSWindowDidMoveNotification object:nil];
if(_showHideAnimationTimer) {
[_showHideAnimationTimer invalidate];
[_showHideAnimationTimer release]; _showHideAnimationTimer = nil;
}
if(aWindow) {
[center addObserver:self selector:@selector(windowStatusDidChange:) name:NSWindowDidBecomeKeyNotification object:aWindow];
[center addObserver:self selector:@selector(windowStatusDidChange:) name:NSWindowDidResignKeyNotification object:aWindow];
[center addObserver:self selector:@selector(windowDidUpdate:) name:NSWindowDidUpdateNotification object:aWindow];
[center addObserver:self selector:@selector(windowDidMove:) name:NSWindowDidMoveNotification object:aWindow];
}
}
- (void)windowStatusDidChange:(NSNotification *)notification {
[self setNeedsDisplay:YES];
}
#pragma mark -
#pragma mark Accessors
- (NSMutableArray *)cells {
return _cells;
}
- (NSEvent *)lastMouseDownEvent {
return _lastMouseDownEvent;
}
- (void)setLastMouseDownEvent:(NSEvent *)event {
[event retain];
[_lastMouseDownEvent release];
_lastMouseDownEvent = event;
}
- (id)delegate {
return delegate;
}
- (void)setDelegate:(id)object {
delegate = object;
NSMutableArray *types = [NSMutableArray arrayWithObject:@"PSMTabBarControlItemPBType"];
//Update the allowed drag types
if([self delegate] && [[self delegate] respondsToSelector:@selector(allowedDraggedTypesForTabView:)]) {
[types addObjectsFromArray:[[self delegate] allowedDraggedTypesForTabView:tabView]];
}
[self unregisterDraggedTypes];
[self registerForDraggedTypes:types];
}
- (NSTabView *)tabView {
return tabView;
}
- (void)setTabView:(NSTabView *)view {
[view retain];
[tabView release];
tabView = view;
}
- (id<PSMTabStyle>)style {
return style;
}
- (NSString *)styleName {
return [style name];
}
- (void)setStyle:(id <PSMTabStyle>)newStyle {
if(style != newStyle) {
[style autorelease];
style = [newStyle retain];
// restyle add tab button
if(_addTabButton) {
NSImage *newButtonImage = [style addTabButtonImage];
if(newButtonImage) {
[_addTabButton setUsualImage:newButtonImage];
}
newButtonImage = [style addTabButtonPressedImage];
if(newButtonImage) {
[_addTabButton setAlternateImage:newButtonImage];
}
newButtonImage = [style addTabButtonRolloverImage];
if(newButtonImage) {
[_addTabButton setRolloverImage:newButtonImage];
}
}
[self update];
}
}
- (void)setStyleNamed:(NSString *)name {
Class styleClass = NSClassFromString( [NSString stringWithFormat: @"PSM%@TabStyle", [name capitalizedString]] );
if (styleClass == Nil) styleClass = [isa defaultStyleClass];
id <PSMTabStyle> newStyle = [[styleClass alloc] init];
[self setStyle:newStyle];
[newStyle release];
}
- (PSMTabBarOrientation)orientation {
return _orientation;
}
- (void)setOrientation:(PSMTabBarOrientation)value {
PSMTabBarOrientation lastOrientation = _orientation;
_orientation = value;
if(_tabBarWidth < 10) {
_tabBarWidth = 120;
}
if(lastOrientation != _orientation) {
[[self style] setOrientation:_orientation];
[self _positionOverflowMenu]; //move the overflow popup button to the right place
[self update:NO];
}
}
- (BOOL)canCloseOnlyTab {
return _canCloseOnlyTab;
}
- (void)setCanCloseOnlyTab:(BOOL)value {
_canCloseOnlyTab = value;
if([_cells count] == 1) {
[self update];
}
}
- (BOOL)disableTabClose {
return _disableTabClose;
}
- (void)setDisableTabClose:(BOOL)value {
_disableTabClose = value;
[self update];
}
- (BOOL)hideForSingleTab {
return _hideForSingleTab;
}
- (void)setHideForSingleTab:(BOOL)value {
_hideForSingleTab = value;
[self update];
}
- (BOOL)showAddTabButton {
return _showAddTabButton;
}
- (void)setShowAddTabButton:(BOOL)value {
_showAddTabButton = value;
if(!NSIsEmptyRect([_controller addButtonRect])) {
[_addTabButton setFrame:[_controller addButtonRect]];
}
[_addTabButton setHidden:!_showAddTabButton];
[_addTabButton setNeedsDisplay:YES];
[self update];
}
- (NSInteger)cellMinWidth {
return _cellMinWidth;
}
- (void)setCellMinWidth:(NSInteger)value {
_cellMinWidth = value;
[self update];
}
- (NSInteger)cellMaxWidth {
return _cellMaxWidth;
}
- (void)setCellMaxWidth:(NSInteger)value {
_cellMaxWidth = value;
[self update];
}
- (NSInteger)cellOptimumWidth {
return _cellOptimumWidth;
}
- (void)setCellOptimumWidth:(NSInteger)value {
_cellOptimumWidth = value;
[self update];
}
- (BOOL)sizeCellsToFit {
return _sizeCellsToFit;
}
- (void)setSizeCellsToFit:(BOOL)value {
_sizeCellsToFit = value;
[self update];
}
- (BOOL)useOverflowMenu {
return _useOverflowMenu;
}
- (void)setUseOverflowMenu:(BOOL)value {
_useOverflowMenu = value;
[self update];
}
- (PSMRolloverButton *)addTabButton {
return _addTabButton;
}
- (PSMOverflowPopUpButton *)overflowPopUpButton {
return _overflowPopUpButton;
}
- (BOOL)allowsBackgroundTabClosing {
return _allowsBackgroundTabClosing;
}
- (void)setAllowsBackgroundTabClosing:(BOOL)value {
_allowsBackgroundTabClosing = value;
}
- (BOOL)allowsResizing {
return _allowsResizing;
}
- (void)setAllowsResizing:(BOOL)value {
_allowsResizing = value;
}
- (BOOL)selectsTabsOnMouseDown {
return _selectsTabsOnMouseDown;
}
- (void)setSelectsTabsOnMouseDown:(BOOL)value {
_selectsTabsOnMouseDown = value;
}
- (BOOL)automaticallyAnimates {
return _automaticallyAnimates;
}
- (void)setAutomaticallyAnimates:(BOOL)value {
_automaticallyAnimates = value;
}
- (BOOL)alwaysShowActiveTab {
return _alwaysShowActiveTab;
}
- (void)setAlwaysShowActiveTab:(BOOL)value {
_alwaysShowActiveTab = value;
}
- (BOOL)allowsScrubbing {
return _allowsScrubbing;
}
- (void)setAllowsScrubbing:(BOOL)value {
_allowsScrubbing = value;
}
- (PSMTabBarTearOffStyle)tearOffStyle {
return _tearOffStyle;
}
- (void)setTearOffStyle:(PSMTabBarTearOffStyle)tearOffStyle {
_tearOffStyle = tearOffStyle;
}
#pragma mark -
#pragma mark Functionality
- (void)addTabViewItem:(NSTabViewItem *)item {
// create cell
PSMTabBarCell *cell = [[PSMTabBarCell alloc] initWithControlView:self];
NSRect cellRect, lastCellFrame;
if([_cells lastObject] != nil) {
cellRect = lastCellFrame = [[_cells lastObject] frame];
} else {
cellRect = lastCellFrame = NSZeroRect;
}
if([self orientation] == PSMTabBarHorizontalOrientation) {
cellRect = [self genericCellRect];
cellRect.size.width = 30;
cellRect.origin.x = lastCellFrame.origin.x + lastCellFrame.size.width;
} else {
cellRect = /*lastCellFrame*/ [self genericCellRect];
cellRect.size.width = lastCellFrame.size.width;
cellRect.size.height = 0;
cellRect.origin.y = lastCellFrame.origin.y + lastCellFrame.size.height;
}
[cell setRepresentedObject:item];
[cell setFrame:cellRect];
// bind it up
[self bindPropertiesForCell:cell andTabViewItem:item];
// add to collection
[_cells addObject:cell];
[cell release];
if([_cells count] == (NSUInteger)[tabView numberOfTabViewItems]) {
[self update]; // don't update unless all are accounted for!
}
}
- (void)removeTabForCell:(PSMTabBarCell *)cell {
NSTabViewItem *item = [cell representedObject];
// unbind
[[cell indicator] unbind:@"animate"];
[[cell indicator] unbind:@"hidden"];
[cell unbind:@"hasIcon"];
[cell unbind:@"hasLargeImage"];
[cell unbind:@"title"];
[cell unbind:@"count"];
[cell unbind:@"countColor"];
[cell unbind:@"isEdited"];
if([item identifier] != nil) {
if([[item identifier] respondsToSelector:@selector(isProcessing)]) {
[[item identifier] removeObserver:cell forKeyPath:@"isProcessing"];
}
}
if([item identifier] != nil) {
if([[item identifier] respondsToSelector:@selector(icon)]) {
[[item identifier] removeObserver:cell forKeyPath:@"icon"];
}
}
if([item identifier] != nil) {
if([[item identifier] respondsToSelector:@selector(objectCount)]) {
[[item identifier] removeObserver:cell forKeyPath:@"objectCount"];
}
}
if([item identifier] != nil) {
if([[item identifier] respondsToSelector:@selector(countColor)]) {
[[item identifier] removeObserver:cell forKeyPath:@"countColor"];
}
}
if([item identifier] != nil) {
if([[item identifier] respondsToSelector:@selector(largeImage)]) {
[[item identifier] removeObserver:cell forKeyPath:@"largeImage"];
}
}
if([item identifier] != nil) {
if([[item identifier] respondsToSelector:@selector(isEdited)]) {
[[item identifier] removeObserver:cell forKeyPath:@"isEdited"];
}
}
// stop watching identifier
[item removeObserver:self forKeyPath:@"identifier"];
// remove indicator
if([[self subviews] containsObject:[cell indicator]]) {
[[cell indicator] removeFromSuperview];
}
// remove tracking
[[NSNotificationCenter defaultCenter] removeObserver:cell];
if([cell closeButtonTrackingTag] != 0) {
[self removeTrackingRect:[cell closeButtonTrackingTag]];
[cell setCloseButtonTrackingTag:0];
}
if([cell cellTrackingTag] != 0) {
[self removeTrackingRect:[cell cellTrackingTag]];
[cell setCellTrackingTag:0];
}
// pull from collection
[_cells removeObject:cell];
[self update];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
// did the tab's identifier change?
if([keyPath isEqualToString:@"identifier"]) {
NSEnumerator *e = [_cells objectEnumerator];
PSMTabBarCell *cell;
while((cell = [e nextObject])) {
if([cell representedObject] == object) {
[self _bindPropertiesForCell:cell andTabViewItem:object];
}
}
}
}
#pragma mark -
#pragma mark Hide/Show
- (void)hideTabBar:(BOOL)hide animate:(BOOL)animate {
if(!_awakenedFromNib || (_isHidden && hide) || (!_isHidden && !hide) || (_currentStep != kPSMIsNotBeingResized)) {
return;
}
[[self subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
_isHidden = hide;
_currentStep = 0;
if(!animate) {
_currentStep = (NSInteger)kPSMHideAnimationSteps;
}
if(hide) {
[_overflowPopUpButton removeFromSuperview];
[_addTabButton removeFromSuperview];
} else if(!animate) {
[self addSubview:_overflowPopUpButton];
[self addSubview:_addTabButton];
}
CGFloat partnerOriginalSize, partnerOriginalOrigin, myOriginalSize, myOriginalOrigin, partnerTargetSize, partnerTargetOrigin, myTargetSize, myTargetOrigin;
// target values for partner
if([self orientation] == PSMTabBarHorizontalOrientation) {
// current (original) values
myOriginalSize = [self frame].size.height;
myOriginalOrigin = [self frame].origin.y;
if(partnerView) {
partnerOriginalSize = [partnerView frame].size.height;
partnerOriginalOrigin = [partnerView frame].origin.y;
} else {
partnerOriginalSize = [[self window] frame].size.height;
partnerOriginalOrigin = [[self window] frame].origin.y;
}
if(partnerView) {
// above or below me?
if((myOriginalOrigin - 22) > partnerOriginalOrigin) {
// partner is below me
if(_isHidden) {
// I'm shrinking
myTargetOrigin = myOriginalOrigin + 21;
myTargetSize = myOriginalSize - 21;
partnerTargetOrigin = partnerOriginalOrigin;
partnerTargetSize = partnerOriginalSize + 21;
} else {
// I'm growing
myTargetOrigin = myOriginalOrigin - 21;
myTargetSize = myOriginalSize + 21;
partnerTargetOrigin = partnerOriginalOrigin;
partnerTargetSize = partnerOriginalSize - 21;
}
} else {
// partner is above me
if(_isHidden) {
// I'm shrinking
myTargetOrigin = myOriginalOrigin;
myTargetSize = myOriginalSize - 21;
partnerTargetOrigin = partnerOriginalOrigin - 21;
partnerTargetSize = partnerOriginalSize + 21;
} else {
// I'm growing
myTargetOrigin = myOriginalOrigin;
myTargetSize = myOriginalSize + 21;
partnerTargetOrigin = partnerOriginalOrigin + 21;
partnerTargetSize = partnerOriginalSize - 21;
}
}
} else {
// for window movement
if(_isHidden) {
// I'm shrinking
myTargetOrigin = myOriginalOrigin;
myTargetSize = myOriginalSize - 21;
partnerTargetOrigin = partnerOriginalOrigin + 21;
partnerTargetSize = partnerOriginalSize - 21;
} else {
// I'm growing
myTargetOrigin = myOriginalOrigin;
myTargetSize = myOriginalSize + 21;
partnerTargetOrigin = partnerOriginalOrigin - 21;
partnerTargetSize = partnerOriginalSize + 21;
}
}
} else { /* vertical */
// current (original) values
myOriginalSize = [self frame].size.width;
myOriginalOrigin = [self frame].origin.x;
if(partnerView) {
partnerOriginalSize = [partnerView frame].size.width;
partnerOriginalOrigin = [partnerView frame].origin.x;
} else {
partnerOriginalSize = [[self window] frame].size.width;
partnerOriginalOrigin = [[self window] frame].origin.x;
}
if(partnerView) {
//to the left or right?
if(myOriginalOrigin < partnerOriginalOrigin + partnerOriginalSize) {
// partner is to the left
if(_isHidden) {
// I'm shrinking
myTargetOrigin = myOriginalOrigin;
myTargetSize = 1;
partnerTargetOrigin = partnerOriginalOrigin - myOriginalSize + 1;
partnerTargetSize = partnerOriginalSize + myOriginalSize - 1;
_tabBarWidth = myOriginalSize;
} else {
// I'm growing
myTargetOrigin = myOriginalOrigin;
myTargetSize = myOriginalSize + _tabBarWidth;
partnerTargetOrigin = partnerOriginalOrigin + _tabBarWidth;
partnerTargetSize = partnerOriginalSize - _tabBarWidth;
}
} else {
// partner is to the right
if(_isHidden) {
// I'm shrinking
myTargetOrigin = myOriginalOrigin + myOriginalSize;
myTargetSize = 1;
partnerTargetOrigin = partnerOriginalOrigin;
partnerTargetSize = partnerOriginalSize + myOriginalSize;
_tabBarWidth = myOriginalSize;
} else {
// I'm growing
myTargetOrigin = myOriginalOrigin - _tabBarWidth;
myTargetSize = myOriginalSize + _tabBarWidth;
partnerTargetOrigin = partnerOriginalOrigin;
partnerTargetSize = partnerOriginalSize - _tabBarWidth;
}
}
} else {
// for window movement
if(_isHidden) {
// I'm shrinking
myTargetOrigin = myOriginalOrigin;
myTargetSize = 1;
partnerTargetOrigin = partnerOriginalOrigin + myOriginalSize - 1;
partnerTargetSize = partnerOriginalSize - myOriginalSize + 1;
_tabBarWidth = myOriginalSize;
} else {
// I'm growing
myTargetOrigin = myOriginalOrigin;
myTargetSize = _tabBarWidth;
partnerTargetOrigin = partnerOriginalOrigin - _tabBarWidth + 1;
partnerTargetSize = partnerOriginalSize + _tabBarWidth - 1;
}
}
if(!_isHidden && [[self delegate] respondsToSelector:@selector(desiredWidthForVerticalTabBar:)]) {
myTargetSize = [[self delegate] desiredWidthForVerticalTabBar:self];
}
}
NSDictionary *userInfo = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithDouble:myOriginalOrigin], @"myOriginalOrigin", [NSNumber numberWithDouble:partnerOriginalOrigin], @"partnerOriginalOrigin", [NSNumber numberWithDouble:myOriginalSize], @"myOriginalSize", [NSNumber numberWithDouble:partnerOriginalSize], @"partnerOriginalSize", [NSNumber numberWithDouble:myTargetOrigin], @"myTargetOrigin", [NSNumber numberWithDouble:partnerTargetOrigin], @"partnerTargetOrigin", [NSNumber numberWithDouble:myTargetSize], @"myTargetSize", [NSNumber numberWithDouble:partnerTargetSize], @"partnerTargetSize", nil];
if(_showHideAnimationTimer) {
[_showHideAnimationTimer invalidate];
[_showHideAnimationTimer release];
}
_showHideAnimationTimer = [[NSTimer scheduledTimerWithTimeInterval:(1.0 / 30.0) target:self selector:@selector(animateShowHide:) userInfo:userInfo repeats:YES] retain];
}
- (void)animateShowHide:(NSTimer *)timer {
// moves the frame of the tab bar and window (or partner view) linearly to hide or show the tab bar
NSRect myFrame = [self frame];
NSDictionary *userInfo = [timer userInfo];
CGFloat myCurrentOrigin = ([[userInfo objectForKey:@"myOriginalOrigin"] doubleValue] + (([[userInfo objectForKey:@"myTargetOrigin"] doubleValue] - [[userInfo objectForKey:@"myOriginalOrigin"] doubleValue]) * (_currentStep / kPSMHideAnimationSteps)));
CGFloat myCurrentSize = ([[userInfo objectForKey:@"myOriginalSize"] doubleValue] + (([[userInfo objectForKey:@"myTargetSize"] doubleValue] - [[userInfo objectForKey:@"myOriginalSize"] doubleValue]) * (_currentStep / kPSMHideAnimationSteps)));
CGFloat partnerCurrentOrigin = ([[userInfo objectForKey:@"partnerOriginalOrigin"] doubleValue] + (([[userInfo objectForKey:@"partnerTargetOrigin"] doubleValue] - [[userInfo objectForKey:@"partnerOriginalOrigin"] doubleValue]) * (_currentStep / kPSMHideAnimationSteps)));
CGFloat partnerCurrentSize = ([[userInfo objectForKey:@"partnerOriginalSize"] doubleValue] + (([[userInfo objectForKey:@"partnerTargetSize"] doubleValue] - [[userInfo objectForKey:@"partnerOriginalSize"] doubleValue]) * (_currentStep / kPSMHideAnimationSteps)));
NSRect myNewFrame;
if([self orientation] == PSMTabBarHorizontalOrientation) {
myNewFrame = NSMakeRect(myFrame.origin.x, myCurrentOrigin, myFrame.size.width, myCurrentSize);
} else {
myNewFrame = NSMakeRect(myCurrentOrigin, myFrame.origin.y, myCurrentSize, myFrame.size.height);
}
if(partnerView) {
// resize self and view
NSRect resizeRect;
if([self orientation] == PSMTabBarHorizontalOrientation) {
resizeRect = NSMakeRect([partnerView frame].origin.x, partnerCurrentOrigin, [partnerView frame].size.width, partnerCurrentSize);
} else {
resizeRect = NSMakeRect(partnerCurrentOrigin, [partnerView frame].origin.y, partnerCurrentSize, [partnerView frame].size.height);
}
[partnerView setFrame:resizeRect];
[partnerView setNeedsDisplay:YES];
[self setFrame:myNewFrame];
} else {
// resize self and window
NSRect resizeRect;
if([self orientation] == PSMTabBarHorizontalOrientation) {
resizeRect = NSMakeRect([[self window] frame].origin.x, partnerCurrentOrigin, [[self window] frame].size.width, partnerCurrentSize);
} else {
resizeRect = NSMakeRect(partnerCurrentOrigin, [[self window] frame].origin.y, partnerCurrentSize, [[self window] frame].size.height);
}
[[self window] setFrame:resizeRect display:YES];
[self setFrame:myNewFrame];
}
// next
_currentStep++;
if(_currentStep == kPSMHideAnimationSteps + 1) {
_currentStep = kPSMIsNotBeingResized;
[self viewDidEndLiveResize];
[self update:NO];
//send the delegate messages
if(_isHidden) {
if([[self delegate] respondsToSelector:@selector(tabView:tabBarDidHide:)]) {
[[self delegate] tabView:[self tabView] tabBarDidHide:self];
}
} else {
[self addSubview:_overflowPopUpButton];
[self addSubview:_addTabButton];
if([[self delegate] respondsToSelector:@selector(tabView:tabBarDidUnhide:)]) {
[[self delegate] tabView:[self tabView] tabBarDidUnhide:self];
}
}
[_showHideAnimationTimer invalidate];
[_showHideAnimationTimer release]; _showHideAnimationTimer = nil;
}
[[self window] display];
}
- (BOOL)isTabBarHidden {
return _isHidden;
}
- (BOOL)isAnimating {
return _animationTimer != nil;
}
- (id)partnerView {
return partnerView;
}
- (void)setPartnerView:(id)view {
[partnerView release];
[view retain];
partnerView = view;
}
#pragma mark -
#pragma mark Drawing
- (BOOL)isFlipped {
return YES;
}
- (void)drawRect:(NSRect)rect {
[style drawTabBar:self inRect:rect];
}
- (void)update {
[self update:_automaticallyAnimates];
}
- (void)update:(BOOL)animate {
// make sure all of our tabs are accounted for before updating
if((NSUInteger)[[self tabView] numberOfTabViewItems] != [_cells count]) {
return;
}
// hide/show? (these return if already in desired state)
if((_hideForSingleTab) && ([_cells count] <= 1)) {
[self hideTabBar:YES animate:YES];
return;
} else {
[self hideTabBar:NO animate:YES];
}
[self removeAllToolTips];
[_controller layoutCells]; //eventually we should only have to call this when we know something has changed
PSMTabBarCell *currentCell;
NSMenu *overflowMenu = [_controller overflowMenu];
[_overflowPopUpButton setHidden:(overflowMenu == nil)];
[_overflowPopUpButton setMenu:overflowMenu];
if(_animationTimer) {
[_animationTimer invalidate];
[_animationTimer release]; _animationTimer = nil;
}
if(animate) {
NSMutableArray *targetFrames = [NSMutableArray arrayWithCapacity:[_cells count]];
for(NSUInteger i = 0; i < [_cells count]; i++) {
currentCell = [_cells objectAtIndex:i];
//we're going from NSRect -> NSValue -> NSRect -> NSValue here - oh well
[targetFrames addObject:[NSValue valueWithRect:[_controller cellFrameAtIndex:i]]];
}
[_addTabButton setHidden:!_showAddTabButton];
NSAnimation *animation = [[NSAnimation alloc] initWithDuration:0.50 animationCurve:NSAnimationEaseInOut];
[animation setAnimationBlockingMode:NSAnimationNonblocking];
[animation startAnimation];
_animationTimer = [[NSTimer scheduledTimerWithTimeInterval:1.0 / 30.0
target:self
selector:@selector(_animateCells:)
userInfo:[NSArray arrayWithObjects:targetFrames, animation, nil]
repeats:YES] retain];
[animation release];
[[NSRunLoop currentRunLoop] addTimer:_animationTimer forMode:NSEventTrackingRunLoopMode];
[self _animateCells:_animationTimer];
} else {
for(NSUInteger i = 0; i < [_cells count]; i++) {
currentCell = [_cells objectAtIndex:i];
[currentCell setFrame:[_controller cellFrameAtIndex:i]];
if(![currentCell isInOverflowMenu]) {
[self _setupTrackingRectsForCell:currentCell];
}
}
[_addTabButton setFrame:[_controller addButtonRect]];
[_addTabButton setHidden:!_showAddTabButton];
[self setNeedsDisplay:YES];
}
}
- (void)_animateCells:(NSTimer *)timer {
NSAnimation *animation = [[timer userInfo] objectAtIndex:1];
NSArray *targetFrames = [[timer userInfo] objectAtIndex:0];
PSMTabBarCell *currentCell;
NSUInteger cellCount = [_cells count];
if((cellCount > 0) && [animation isAnimating]) {
//compare our target position with the current position and move towards the target
for(NSUInteger i = 0; i < [targetFrames count] && i < cellCount; i++) {
currentCell = [_cells objectAtIndex:i];
NSRect cellFrame = [currentCell frame], targetFrame = [[targetFrames objectAtIndex:i] rectValue];
CGFloat sizeChange;
CGFloat originChange;
if([self orientation] == PSMTabBarHorizontalOrientation) {
sizeChange = (targetFrame.size.width - cellFrame.size.width) * [animation currentProgress];
originChange = (targetFrame.origin.x - cellFrame.origin.x) * [animation currentProgress];
cellFrame.size.width += sizeChange;
cellFrame.origin.x += originChange;
} else {
sizeChange = (targetFrame.size.height - cellFrame.size.height) * [animation currentProgress];
originChange = (targetFrame.origin.y - cellFrame.origin.y) * [animation currentProgress];
cellFrame.size.height += sizeChange;
cellFrame.origin.y += originChange;
}
[currentCell setFrame:cellFrame];
//highlight the cell if the mouse is over it
NSPoint mousePoint = [self convertPoint:[[self window] mouseLocationOutsideOfEventStream] fromView:nil];
NSRect closeRect = [currentCell closeButtonRectForFrame:cellFrame];
[currentCell setHighlighted:NSMouseInRect(mousePoint, cellFrame, [self isFlipped])];
[currentCell setCloseButtonOver:NSMouseInRect(mousePoint, closeRect, [self isFlipped])];
}
if(_showAddTabButton) {
//animate the add tab button
NSRect target = [_controller addButtonRect], frame = [_addTabButton frame];
frame.origin.x += (target.origin.x - frame.origin.x) * [animation currentProgress];
[_addTabButton setFrame:frame];
}
} else {
//put all the cells where they should be in their final position
if(cellCount > 0) {
for(NSUInteger i = 0; i < [targetFrames count] && i < cellCount; i++) {
PSMTabBarCell *currentCell = [_cells objectAtIndex:i];
NSRect cellFrame = [currentCell frame], targetFrame = [[targetFrames objectAtIndex:i] rectValue];
if([self orientation] == PSMTabBarHorizontalOrientation) {
cellFrame.size.width = targetFrame.size.width;
cellFrame.origin.x = targetFrame.origin.x;
} else {
cellFrame.size.height = targetFrame.size.height;
cellFrame.origin.y = targetFrame.origin.y;
}
[currentCell setFrame:cellFrame];
//highlight the cell if the mouse is over it
NSPoint mousePoint = [self convertPoint:[[self window] mouseLocationOutsideOfEventStream] fromView:nil];
NSRect closeRect = [currentCell closeButtonRectForFrame:cellFrame];
[currentCell setHighlighted:NSMouseInRect(mousePoint, cellFrame, [self isFlipped])];
[currentCell setCloseButtonOver:NSMouseInRect(mousePoint, closeRect, [self isFlipped])];
}
}
//set the frame for the add tab button
if(_showAddTabButton) {
NSRect frame = [_addTabButton frame];
frame.origin.x = [_controller addButtonRect].origin.x;
[_addTabButton setFrame:frame];
}
[_animationTimer invalidate];
[_animationTimer release]; _animationTimer = nil;
for(NSUInteger i = 0; i < cellCount; i++) {
currentCell = [_cells objectAtIndex:i];
//we've hit the cells that are in overflow, stop setting up tracking rects
if([currentCell isInOverflowMenu]) {
break;
}
[self _setupTrackingRectsForCell:currentCell];
}
}
[self setNeedsDisplay:YES];
}
- (void)_setupTrackingRectsForCell:(PSMTabBarCell *)cell {
NSInteger tag, index = [_cells indexOfObject:cell];
NSRect cellTrackingRect = [_controller cellTrackingRectAtIndex:index];
NSPoint mousePoint = [self convertPoint:[[self window] mouseLocationOutsideOfEventStream] fromView:nil];
BOOL mouseInCell = NSMouseInRect(mousePoint, cellTrackingRect, [self isFlipped]);
//set the cell tracking rect
[self removeTrackingRect:[cell cellTrackingTag]];
tag = [self addTrackingRect:cellTrackingRect owner:cell userData:nil assumeInside:mouseInCell];
[cell setCellTrackingTag:tag];
[cell setHighlighted:mouseInCell];
if([cell hasCloseButton] && ![cell isCloseButtonSuppressed]) {
NSRect closeRect = [_controller closeButtonTrackingRectAtIndex:index];
BOOL mouseInCloseRect = NSMouseInRect(mousePoint, closeRect, [self isFlipped]);
//set the close button tracking rect
[self removeTrackingRect:[cell closeButtonTrackingTag]];
tag = [self addTrackingRect:closeRect owner:cell userData:nil assumeInside:mouseInCloseRect];
[cell setCloseButtonTrackingTag:tag];
[cell setCloseButtonOver:mouseInCloseRect];
}
//set the tooltip tracking rect
[self addToolTipRect:[cell frame] owner:self userData:nil];
}
- (void)_positionOverflowMenu {
NSRect cellRect, frame = [self frame];
cellRect.size.height = [style tabCellHeight];
cellRect.size.width = [style rightMarginForTabBarControl];
if([self orientation] == PSMTabBarHorizontalOrientation) {
cellRect.origin.y = 0;
cellRect.origin.x = frame.size.width - [style rightMarginForTabBarControl] + (_resizeAreaCompensation ? -(_resizeAreaCompensation - 1) : 1);
[_overflowPopUpButton setAutoresizingMask:NSViewNotSizable | NSViewMinXMargin];
} else {
cellRect.origin.x = 0;
cellRect.origin.y = frame.size.height - [style tabCellHeight];
cellRect.size.width = frame.size.width;
[_overflowPopUpButton setAutoresizingMask:NSViewNotSizable | NSViewMinXMargin | NSViewMinYMargin];
}
[_overflowPopUpButton setFrame:cellRect];
}
- (void)_checkWindowFrame {
//figure out if the new frame puts the control in the way of the resize widget
NSWindow *window = [self window];
if(window) {
NSRect resizeWidgetFrame = [[window contentView] frame];
resizeWidgetFrame.origin.x += resizeWidgetFrame.size.width - 22;
resizeWidgetFrame.size.width = 22;
resizeWidgetFrame.size.height = 22;
if([window showsResizeIndicator] && NSIntersectsRect([self frame], resizeWidgetFrame)) {
//the resize widgets are larger on metal windows
_resizeAreaCompensation = [window styleMask] & NSTexturedBackgroundWindowMask ? 20 : 8;
} else {
_resizeAreaCompensation = 0;
}
[self _positionOverflowMenu];
}
}
#pragma mark -
#pragma mark Mouse Tracking
- (BOOL)mouseDownCanMoveWindow {
return NO;
}
- (BOOL)acceptsFirstMouse:(NSEvent *)theEvent {
return YES;
}
- (void)mouseDown:(NSEvent *)theEvent {
_didDrag = NO;
// keep for dragging
[self setLastMouseDownEvent:theEvent];
// what cell?
NSPoint mousePt = [self convertPoint:[theEvent locationInWindow] fromView:nil];
NSRect frame = [self frame];
if([self orientation] == PSMTabBarVerticalOrientation && [self allowsResizing] && partnerView && (mousePt.x > frame.size.width - 3)) {
_resizing = YES;
}
NSRect cellFrame;
PSMTabBarCell *cell = [self cellForPoint:mousePt cellFrame:&cellFrame];
if(cell) {
BOOL overClose = NSMouseInRect(mousePt, [cell closeButtonRectForFrame:cellFrame], [self isFlipped]);
if(overClose &&
![self disableTabClose] &&
![cell isCloseButtonSuppressed] &&
([self allowsBackgroundTabClosing] || [[cell representedObject] isEqualTo:[tabView selectedTabViewItem]] || [theEvent modifierFlags] & NSCommandKeyMask)) {
[cell setCloseButtonOver:NO];
[cell setCloseButtonPressed:YES];
_closeClicked = YES;
} else {
[cell setCloseButtonPressed:NO];
if(_selectsTabsOnMouseDown) {
[self performSelector:@selector(tabClick:) withObject:cell];
}
}
[self setNeedsDisplay:YES];
}
}
- (void)mouseDragged:(NSEvent *)theEvent {
if([self lastMouseDownEvent] == nil) {
return;
}
NSPoint currentPoint = [self convertPoint:[theEvent locationInWindow] fromView:nil];
if(_resizing) {
NSRect frame = [self frame];
CGFloat resizeAmount = [theEvent deltaX];
if((currentPoint.x > frame.size.width && resizeAmount > 0) || (currentPoint.x < frame.size.width && resizeAmount < 0)) {
[[NSCursor resizeLeftRightCursor] push];
NSRect partnerFrame = [partnerView frame];
//do some bounds checking
if((frame.size.width + resizeAmount > [self cellMinWidth]) && (frame.size.width + resizeAmount < [self cellMaxWidth])) {
frame.size.width += resizeAmount;
partnerFrame.size.width -= resizeAmount;
partnerFrame.origin.x += resizeAmount;
[self setFrame:frame];
[partnerView setFrame:partnerFrame];
[[self superview] setNeedsDisplay:YES];
}
}
return;
}
NSRect cellFrame;
NSPoint trackingStartPoint = [self convertPoint:[[self lastMouseDownEvent] locationInWindow] fromView:nil];
PSMTabBarCell *cell = [self cellForPoint:trackingStartPoint cellFrame:&cellFrame];
if(cell) {
//check to see if the close button was the target in the clicked cell
//highlight/unhighlight the close button as necessary
NSRect iconRect = [cell closeButtonRectForFrame:cellFrame];
if(_closeClicked && NSMouseInRect(trackingStartPoint, iconRect, [self isFlipped]) &&
([self allowsBackgroundTabClosing] || [[cell representedObject] isEqualTo:[tabView selectedTabViewItem]])) {
[cell setCloseButtonPressed:NSMouseInRect(currentPoint, iconRect, [self isFlipped])];
[self setNeedsDisplay:YES];
return;
}
CGFloat dx = fabs(currentPoint.x - trackingStartPoint.x);
CGFloat dy = fabs(currentPoint.y - trackingStartPoint.y);
CGFloat distance = sqrt(dx * dx + dy * dy);
if(distance >= 10 && !_didDrag && ![[PSMTabDragAssistant sharedDragAssistant] isDragging] &&
[self delegate] && [[self delegate] respondsToSelector:@selector(tabView:shouldDragTabViewItem:fromTabBar:)] &&
[[self delegate] tabView:tabView shouldDragTabViewItem:[cell representedObject] fromTabBar:self]) {
_didDrag = YES;
[[PSMTabDragAssistant sharedDragAssistant] startDraggingCell:cell fromTabBar:self withMouseDownEvent:[self lastMouseDownEvent]];
}
}
}
- (void)mouseUp:(NSEvent *)theEvent {
if(_resizing) {
_resizing = NO;
[[NSCursor arrowCursor] set];
} else {
// what cell?
NSPoint mousePt = [self convertPoint:[theEvent locationInWindow] fromView:nil];
NSRect cellFrame, mouseDownCellFrame;
PSMTabBarCell *cell = [self cellForPoint:mousePt cellFrame:&cellFrame];
PSMTabBarCell *mouseDownCell = [self cellForPoint:[self convertPoint:[[self lastMouseDownEvent] locationInWindow] fromView:nil] cellFrame:&mouseDownCellFrame];
if(cell) {
NSPoint trackingStartPoint = [self convertPoint:[[self lastMouseDownEvent] locationInWindow] fromView:nil];
NSRect iconRect = [mouseDownCell closeButtonRectForFrame:mouseDownCellFrame];
if((NSMouseInRect(mousePt, iconRect, [self isFlipped])) && ![self disableTabClose] && ![cell isCloseButtonSuppressed] && [mouseDownCell closeButtonPressed]) {
if(([[NSApp currentEvent] modifierFlags] & NSAlternateKeyMask) != 0) {
//If the user is holding Option, close all other tabs
NSEnumerator *enumerator = [[[[self cells] copy] autorelease] objectEnumerator];
PSMTabBarCell *otherCell;
while((otherCell = [enumerator nextObject])) {
if(otherCell != cell) {
[self performSelector:@selector(closeTabClick:) withObject:otherCell];
}
}
//Fix the close button for the clicked tab not to be pressed
[cell setCloseButtonPressed:NO];
} else {
//Otherwise, close this tab
[self performSelector:@selector(closeTabClick:) withObject:cell];
}
} else if(NSMouseInRect(mousePt, mouseDownCellFrame, [self isFlipped]) &&
(!NSMouseInRect(trackingStartPoint, [cell closeButtonRectForFrame:cellFrame], [self isFlipped]) || ![self allowsBackgroundTabClosing] || [self disableTabClose])) {
[mouseDownCell setCloseButtonPressed:NO];
// If -[self selectsTabsOnMouseDown] is TRUE, we already performed tabClick: on mouseDown.
if(![self selectsTabsOnMouseDown]) {
[self performSelector:@selector(tabClick:) withObject:cell];
}
} else {
[mouseDownCell setCloseButtonPressed:NO];
[self performSelector:@selector(tabNothing:) withObject:cell];
}
}
_closeClicked = NO;
}
}
- (NSMenu *)menuForEvent:(NSEvent *)event {
NSMenu *menu = nil;
NSTabViewItem *item = [[self cellForPoint:[self convertPoint:[event locationInWindow] fromView:nil] cellFrame:nil] representedObject];
if(item && [[self delegate] respondsToSelector:@selector(tabView:menuForTabViewItem:)]) {
menu = [[self delegate] tabView:tabView menuForTabViewItem:item];
}
return menu;
}
#pragma mark -
#pragma mark Drag and Drop
- (BOOL)shouldDelayWindowOrderingForEvent:(NSEvent *)theEvent {
return YES;
}
// NSDraggingSource
- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal {
return(isLocal ? NSDragOperationMove : NSDragOperationNone);
}
- (BOOL)ignoreModifierKeysWhileDragging {
return YES;
}
- (void)draggedImage:(NSImage *)anImage beganAt:(NSPoint)screenPoint {
[[PSMTabDragAssistant sharedDragAssistant] draggingBeganAt:screenPoint];
}
- (void)draggedImage:(NSImage *)image movedTo:(NSPoint)screenPoint {
[[PSMTabDragAssistant sharedDragAssistant] draggingMovedTo:screenPoint];
}
// NSDraggingDestination
- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender {
if([[[sender draggingPasteboard] types] indexOfObject:@"PSMTabBarControlItemPBType"] != NSNotFound) {
if([self delegate] && [[self delegate] respondsToSelector:@selector(tabView:shouldDropTabViewItem:inTabBar:)] &&
![[self delegate] tabView:[[sender draggingSource] tabView] shouldDropTabViewItem:[[[PSMTabDragAssistant sharedDragAssistant] draggedCell] representedObject] inTabBar:self]) {
return NSDragOperationNone;
}
[[PSMTabDragAssistant sharedDragAssistant] draggingEnteredTabBar:self atPoint:[self convertPoint:[sender draggingLocation] fromView:nil]];
return NSDragOperationMove;
}
return NSDragOperationNone;
}
- (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender {
PSMTabBarCell *cell = [self cellForPoint:[self convertPoint:[sender draggingLocation] fromView:nil] cellFrame:nil];
if([[[sender draggingPasteboard] types] indexOfObject:@"PSMTabBarControlItemPBType"] != NSNotFound) {
if([self delegate] && [[self delegate] respondsToSelector:@selector(tabView:shouldDropTabViewItem:inTabBar:)] &&
![[self delegate] tabView:[[sender draggingSource] tabView] shouldDropTabViewItem:[[[PSMTabDragAssistant sharedDragAssistant] draggedCell] representedObject] inTabBar:self]) {
return NSDragOperationNone;
}
[[PSMTabDragAssistant sharedDragAssistant] draggingUpdatedInTabBar:self atPoint:[self convertPoint:[sender draggingLocation] fromView:nil]];
return NSDragOperationMove;
} else if(cell) {
//something that was accepted by the delegate was dragged on
//Test for the space bar (the skip-the-delay key).
/*enum { virtualKeycodeForSpace = 49 }; //Source: IM:Tx (Fig. C-2)
union {
KeyMap keymap;
char bits[16];
} keymap;
GetKeys(keymap.keymap);
if ((GetCurrentEventKeyModifiers() == 0) && bit_test(keymap.bits, virtualKeycodeForSpace)) {
//The user pressed the space bar. This skips the delay; the user wants to pop the spring on this tab *now*.
//For some reason, it crashes if I call -fire here. I don't know why. It doesn't crash if I simply set the fire date to now.
[_springTimer setFireDate:[NSDate date]];
} else {*/
//Wind the spring for a spring-loaded drop.
//The delay time comes from Finder's defaults, which specifies it in milliseconds.
//If the delegate can't handle our spring-loaded drop, we'll abort it when the timer fires. See fireSpring:. This is simpler than constantly (checking for spring-loaded awareness and tearing down/rebuilding the timer) at every delegate change.
//If the user has dragged to a different tab, reset the timer.
if(_tabViewItemWithSpring != [cell representedObject]) {
[_springTimer invalidate];
[_springTimer release]; _springTimer = nil;
_tabViewItemWithSpring = [cell representedObject];
}
if(!_springTimer) {
//Finder's default delay time, as of Tiger, is 668 ms. If the user has never changed it, there's no setting in its defaults, so we default to that amount.
NSNumber *delayNumber = [(NSNumber *)CFPreferencesCopyAppValue((CFStringRef)@"SpringingDelayMilliseconds", (CFStringRef)@"com.apple.finder") autorelease];
NSTimeInterval delaySeconds = delayNumber ?[delayNumber doubleValue] / 1000.0 : 0.668;
_springTimer = [[NSTimer scheduledTimerWithTimeInterval:delaySeconds
target:self
selector:@selector(fireSpring:)
userInfo:sender
repeats:NO] retain];
}
return NSDragOperationCopy;
}
return NSDragOperationNone;
}
- (void)draggingExited:(id <NSDraggingInfo>)sender {
[_springTimer invalidate];
[_springTimer release]; _springTimer = nil;
[[PSMTabDragAssistant sharedDragAssistant] draggingExitedTabBar:self];
}
- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender {
//validate the drag operation only if there's a valid tab bar to drop into
return [[[sender draggingPasteboard] types] indexOfObject:@"PSMTabBarControlItemPBType"] == NSNotFound ||
[[PSMTabDragAssistant sharedDragAssistant] destinationTabBar] != nil;
}
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender {
if([[[sender draggingPasteboard] types] indexOfObject:@"PSMTabBarControlItemPBType"] != NSNotFound) {
[[PSMTabDragAssistant sharedDragAssistant] performDragOperation];
} else if([self delegate] && [[self delegate] respondsToSelector:@selector(tabView:acceptedDraggingInfo:onTabViewItem:)]) {
//forward the drop to the delegate
[[self delegate] tabView:tabView acceptedDraggingInfo:sender onTabViewItem:[[self cellForPoint:[self convertPoint:[sender draggingLocation] fromView:nil] cellFrame:nil] representedObject]];
}
return YES;
}
- (void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation {
[[PSMTabDragAssistant sharedDragAssistant] draggedImageEndedAt:aPoint operation:operation];
}
- (void)concludeDragOperation:(id <NSDraggingInfo>)sender {
}
#pragma mark -
#pragma mark Spring-loading
- (void)fireSpring:(NSTimer *)timer {
NSAssert1(timer == _springTimer, @"Spring fired by unrecognized timer %@", timer);
id <NSDraggingInfo> sender = [timer userInfo];
PSMTabBarCell *cell = [self cellForPoint:[self convertPoint:[sender draggingLocation] fromView:nil] cellFrame:nil];
[tabView selectTabViewItem:[cell representedObject]];
_tabViewItemWithSpring = nil;
[_springTimer invalidate];
[_springTimer release]; _springTimer = nil;
}
#pragma mark -
#pragma mark Actions
- (void)overflowMenuAction:(id)sender {
NSTabViewItem *tabViewItem = (NSTabViewItem *)[sender representedObject];
[tabView selectTabViewItem:tabViewItem];
}
- (void)closeTabClick:(id)sender {
NSTabViewItem *item = [sender representedObject];
[sender retain];
if(([_cells count] == 1) && (![self canCloseOnlyTab])) {
return;
}
if([[self delegate] respondsToSelector:@selector(tabView:shouldCloseTabViewItem:)]) {
if(![[self delegate] tabView:tabView shouldCloseTabViewItem:item]) {
// fix mouse downed close button
[sender setCloseButtonPressed:NO];
return;
}
}
[item retain];
[tabView removeTabViewItem:item];
[item release];
[sender release];
}
- (void)tabClick:(id)sender {
[tabView selectTabViewItem:[sender representedObject]];
}
- (void)tabNothing:(id)sender {
//[self update]; // takes care of highlighting based on state
}
- (void)frameDidChange:(NSNotification *)notification {
[self _checkWindowFrame];
// trying to address the drawing artifacts for the progress indicators - hackery follows
// this one fixes the "blanking" effect when the control hides and shows itself
NSEnumerator *e = [_cells objectEnumerator];
PSMTabBarCell *cell;
while((cell = [e nextObject])) {
[[cell indicator] stopAnimation:self];
[[cell indicator] performSelector:@selector(startAnimation:)
withObject:nil
afterDelay:0];
}
[self update:NO];
}
- (void)viewDidMoveToWindow {
[self _checkWindowFrame];
}
- (void)viewWillStartLiveResize {
NSEnumerator *e = [_cells objectEnumerator];
PSMTabBarCell *cell;
while((cell = [e nextObject])) {
[[cell indicator] stopAnimation:self];
}
[self setNeedsDisplay:YES];
}
-(void)viewDidEndLiveResize {
NSEnumerator *e = [_cells objectEnumerator];
PSMTabBarCell *cell;
while((cell = [e nextObject])) {
[[cell indicator] startAnimation:self];
}
[self _checkWindowFrame];
[self update:NO];
}
- (void)resetCursorRects {
[super resetCursorRects];
if([self orientation] == PSMTabBarVerticalOrientation) {
NSRect frame = [self frame];
[self addCursorRect:NSMakeRect(frame.size.width - 2, 0, 2, frame.size.height) cursor:[NSCursor resizeLeftRightCursor]];
}
}
- (void)windowDidMove:(NSNotification *)aNotification {
[self setNeedsDisplay:YES];
}
- (void)windowDidUpdate:(NSNotification *)notification {
// hide? must readjust things if I'm not supposed to be showing
// this block of code only runs when the app launches
if([self hideForSingleTab] && ([_cells count] <= 1) && !_awakenedFromNib) {
// must adjust frames now before display
NSRect myFrame = [self frame];
if([self orientation] == PSMTabBarHorizontalOrientation) {
if(partnerView) {
NSRect partnerFrame = [partnerView frame];
// above or below me?
if(myFrame.origin.y - 22 > [partnerView frame].origin.y) {
// partner is below me
[self setFrame:NSMakeRect(myFrame.origin.x, myFrame.origin.y + 21, myFrame.size.width, myFrame.size.height - 21)];
[partnerView setFrame:NSMakeRect(partnerFrame.origin.x, partnerFrame.origin.y, partnerFrame.size.width, partnerFrame.size.height + 21)];
} else {
// partner is above me
[self setFrame:NSMakeRect(myFrame.origin.x, myFrame.origin.y, myFrame.size.width, myFrame.size.height - 21)];
[partnerView setFrame:NSMakeRect(partnerFrame.origin.x, partnerFrame.origin.y - 21, partnerFrame.size.width, partnerFrame.size.height + 21)];
}
[partnerView setNeedsDisplay:YES];
[self setNeedsDisplay:YES];
} else {
// for window movement
NSRect windowFrame = [[self window] frame];
[[self window] setFrame:NSMakeRect(windowFrame.origin.x, windowFrame.origin.y + 21, windowFrame.size.width, windowFrame.size.height - 21) display:YES];
[self setFrame:NSMakeRect(myFrame.origin.x, myFrame.origin.y, myFrame.size.width, myFrame.size.height - 21)];
}
} else {
if(partnerView) {
NSRect partnerFrame = [partnerView frame];
//to the left or right?
if(myFrame.origin.x < [partnerView frame].origin.x) {
// partner is to the left
[self setFrame:NSMakeRect(myFrame.origin.x, myFrame.origin.y, 1, myFrame.size.height)];
[partnerView setFrame:NSMakeRect(partnerFrame.origin.x - myFrame.size.width + 1, partnerFrame.origin.y, partnerFrame.size.width + myFrame.size.width - 1, partnerFrame.size.height)];
} else {
// partner to the right
[self setFrame:NSMakeRect(myFrame.origin.x + myFrame.size.width, myFrame.origin.y, 1, myFrame.size.height)];
[partnerView setFrame:NSMakeRect(partnerFrame.origin.x, partnerFrame.origin.y, partnerFrame.size.width + myFrame.size.width, partnerFrame.size.height)];
}
_tabBarWidth = myFrame.size.width;
[partnerView setNeedsDisplay:YES];
[self setNeedsDisplay:YES];
} else {
// for window movement
NSRect windowFrame = [[self window] frame];
[[self window] setFrame:NSMakeRect(windowFrame.origin.x + myFrame.size.width - 1, windowFrame.origin.y, windowFrame.size.width - myFrame.size.width + 1, windowFrame.size.height) display:YES];
[self setFrame:NSMakeRect(myFrame.origin.x, myFrame.origin.y, 1, myFrame.size.height)];
}
}
_isHidden = YES;
if([[self delegate] respondsToSelector:@selector(tabView:tabBarDidHide:)]) {
[[self delegate] tabView:[self tabView] tabBarDidHide:self];
}
}
_awakenedFromNib = YES;
[self setNeedsDisplay:YES];
//we only need to do this once
[[NSNotificationCenter defaultCenter] removeObserver:self name:NSWindowDidUpdateNotification object:nil];
}
#pragma mark -
#pragma mark Menu Validation
- (BOOL)validateMenuItem:(NSMenuItem *)sender {
[sender setState:([[sender representedObject] isEqualTo:[tabView selectedTabViewItem]]) ? NSOnState : NSOffState];
return [[self delegate] respondsToSelector:@selector(tabView:validateOverflowMenuItem:forTabViewItem:)] ?
[[self delegate] tabView:[self tabView] validateOverflowMenuItem:sender forTabViewItem:[sender representedObject]] : YES;
}
#pragma mark -
#pragma mark NSTabView Delegate
- (void)tabView:(NSTabView *)aTabView didSelectTabViewItem:(NSTabViewItem *)tabViewItem {
// here's a weird one - this message is sent before the "tabViewDidChangeNumberOfTabViewItems"
// message, thus I can end up updating when there are no cells, if no tabs were (yet) present
NSUInteger tabIndex = [aTabView indexOfTabViewItem:tabViewItem];
if([_cells count] > 0 && tabIndex < [_cells count]) {
PSMTabBarCell *thisCell = [_cells objectAtIndex:tabIndex];
if(_alwaysShowActiveTab && [thisCell isInOverflowMenu]) {
//temporarily disable the delegate in order to move the tab to a different index
id tempDelegate = [aTabView delegate];
[aTabView setDelegate:nil];
// move it all around first
[tabViewItem retain];
[thisCell retain];
[aTabView removeTabViewItem:tabViewItem];
[aTabView insertTabViewItem:tabViewItem atIndex:0];
[_cells removeObjectAtIndex:tabIndex];
[_cells insertObject:thisCell atIndex:0];
[thisCell setIsInOverflowMenu:NO]; //very important else we get a fun recursive loop going
[[_cells objectAtIndex:[_cells count] - 1] setIsInOverflowMenu:YES]; //these 2 lines are pretty uncool and this logic needs to be updated
[thisCell release];
[tabViewItem release];
[aTabView setDelegate:tempDelegate];
//reset the selection since removing it changed the selection
[aTabView selectTabViewItem:tabViewItem];
[self update];
} else {
[_controller setSelectedCell:thisCell];
[self setNeedsDisplay:YES];
}
}
if([[self delegate] respondsToSelector:@selector(tabView:didSelectTabViewItem:)]) {
[[self delegate] performSelector:@selector(tabView:didSelectTabViewItem:) withObject:aTabView withObject:tabViewItem];
}
}
- (BOOL)tabView:(NSTabView *)aTabView shouldSelectTabViewItem:(NSTabViewItem *)tabViewItem {
if([[self delegate] respondsToSelector:@selector(tabView:shouldSelectTabViewItem:)]) {
return [[self delegate] tabView:aTabView shouldSelectTabViewItem:tabViewItem];
} else {
return YES;
}
}
- (void)tabView:(NSTabView *)aTabView willSelectTabViewItem:(NSTabViewItem *)tabViewItem {
if([[self delegate] respondsToSelector:@selector(tabView:willSelectTabViewItem:)]) {
[[self delegate] performSelector:@selector(tabView:willSelectTabViewItem:) withObject:aTabView withObject:tabViewItem];
}
}
- (void)tabViewDidChangeNumberOfTabViewItems:(NSTabView *)aTabView {
NSArray *tabItems = [tabView tabViewItems];
// go through cells, remove any whose representedObjects are not in [tabView tabViewItems]
NSEnumerator *e = [[[_cells copy] autorelease] objectEnumerator];
PSMTabBarCell *cell;
while((cell = [e nextObject])) {
//remove the observer binding
if([cell representedObject] && ![tabItems containsObject:[cell representedObject]]) {
if([[self delegate] respondsToSelector:@selector(tabView:didCloseTabViewItem:)]) {
[[self delegate] tabView:aTabView didCloseTabViewItem:[cell representedObject]];
}
[self removeTabForCell:cell];
}
}
// go through tab view items, add cell for any not present
NSMutableArray *cellItems = [self representedTabViewItems];
NSEnumerator *ex = [tabItems objectEnumerator];
NSTabViewItem *item;
while((item = [ex nextObject])) {
if(![cellItems containsObject:item]) {
[self addTabViewItem:item];
}
}
// pass along for other delegate responses
if([[self delegate] respondsToSelector:@selector(tabViewDidChangeNumberOfTabViewItems:)]) {
[[self delegate] performSelector:@selector(tabViewDidChangeNumberOfTabViewItems:) withObject:aTabView];
}
// reset cursor tracking for the add tab button if one exists
if([self addTabButton]) {
[[self addTabButton] resetCursorRects];
}
}
#pragma mark -
#pragma mark Tooltips
- (NSString *)view:(NSView *)view stringForToolTip:(NSToolTipTag)tag point:(NSPoint)point userData:(void *)userData {
if([[self delegate] respondsToSelector:@selector(tabView:toolTipForTabViewItem:)]) {
return [[self delegate] tabView:[self tabView] toolTipForTabViewItem:[[self cellForPoint:point cellFrame:nil] representedObject]];
}
return nil;
}
#pragma mark -
#pragma mark Archiving
- (void)encodeWithCoder:(NSCoder *)aCoder
{
[super encodeWithCoder:aCoder];
if ([aCoder allowsKeyedCoding]) {
[aCoder encodeObject:_cells forKey:@"PSMcells"];
[aCoder encodeObject:tabView forKey:@"PSMtabView"];
[aCoder encodeObject:_overflowPopUpButton forKey:@"PSMoverflowPopUpButton"];
[aCoder encodeObject:_addTabButton forKey:@"PSMaddTabButton"];
[aCoder encodeObject:style forKey:@"PSMstyle"];
[aCoder encodeInteger:_orientation forKey:@"PSMorientation"];
[aCoder encodeBool:_canCloseOnlyTab forKey:@"PSMcanCloseOnlyTab"];
[aCoder encodeBool:_disableTabClose forKey:@"PSMdisableTabClose"];
[aCoder encodeBool:_hideForSingleTab forKey:@"PSMhideForSingleTab"];
[aCoder encodeBool:_allowsBackgroundTabClosing forKey:@"PSMallowsBackgroundTabClosing"];
[aCoder encodeBool:_allowsResizing forKey:@"PSMallowsResizing"];
[aCoder encodeBool:_selectsTabsOnMouseDown forKey:@"PSMselectsTabsOnMouseDown"];
[aCoder encodeBool:_showAddTabButton forKey:@"PSMshowAddTabButton"];
[aCoder encodeBool:_sizeCellsToFit forKey:@"PSMsizeCellsToFit"];
[aCoder encodeInteger:_cellMinWidth forKey:@"PSMcellMinWidth"];
[aCoder encodeInteger:_cellMaxWidth forKey:@"PSMcellMaxWidth"];
[aCoder encodeInteger:_cellOptimumWidth forKey:@"PSMcellOptimumWidth"];
[aCoder encodeInteger:_currentStep forKey:@"PSMcurrentStep"];
[aCoder encodeBool:_isHidden forKey:@"PSMisHidden"];
[aCoder encodeObject:partnerView forKey:@"PSMpartnerView"];
[aCoder encodeBool:_awakenedFromNib forKey:@"PSMawakenedFromNib"];
[aCoder encodeObject:_lastMouseDownEvent forKey:@"PSMlastMouseDownEvent"];
[aCoder encodeObject:delegate forKey:@"PSMdelegate"];
[aCoder encodeBool:_useOverflowMenu forKey:@"PSMuseOverflowMenu"];
[aCoder encodeBool:_automaticallyAnimates forKey:@"PSMautomaticallyAnimates"];
[aCoder encodeBool:_alwaysShowActiveTab forKey:@"PSMalwaysShowActiveTab"];
}
}
- (id)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (self) {
// Initialization
[self initAddedProperties];
[self registerForDraggedTypes:[NSArray arrayWithObjects:@"PSMTabBarControlItemPBType", nil]];
// resize
[self setPostsFrameChangedNotifications:YES];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(frameDidChange:) name:NSViewFrameDidChangeNotification object:self];
if ([aDecoder allowsKeyedCoding]) {
_cells = [[aDecoder decodeObjectForKey:@"PSMcells"] retain];
tabView = [[aDecoder decodeObjectForKey:@"PSMtabView"] retain];
_overflowPopUpButton = [[aDecoder decodeObjectForKey:@"PSMoverflowPopUpButton"] retain];
_addTabButton = [[aDecoder decodeObjectForKey:@"PSMaddTabButton"] retain];
style = [[aDecoder decodeObjectForKey:@"PSMstyle"] retain];
_orientation = (PSMTabBarOrientation)[aDecoder decodeIntegerForKey:@"PSMorientation"];
_canCloseOnlyTab = [aDecoder decodeBoolForKey:@"PSMcanCloseOnlyTab"];
_disableTabClose = [aDecoder decodeBoolForKey:@"PSMdisableTabClose"];
_hideForSingleTab = [aDecoder decodeBoolForKey:@"PSMhideForSingleTab"];
_allowsBackgroundTabClosing = [aDecoder decodeBoolForKey:@"PSMallowsBackgroundTabClosing"];
_allowsResizing = [aDecoder decodeBoolForKey:@"PSMallowsResizing"];
_selectsTabsOnMouseDown = [aDecoder decodeBoolForKey:@"PSMselectsTabsOnMouseDown"];
_showAddTabButton = [aDecoder decodeBoolForKey:@"PSMshowAddTabButton"];
_sizeCellsToFit = [aDecoder decodeBoolForKey:@"PSMsizeCellsToFit"];
_cellMinWidth = [aDecoder decodeIntegerForKey:@"PSMcellMinWidth"];
_cellMaxWidth = [aDecoder decodeIntegerForKey:@"PSMcellMaxWidth"];
_cellOptimumWidth = [aDecoder decodeIntegerForKey:@"PSMcellOptimumWidth"];
_currentStep = [aDecoder decodeIntegerForKey:@"PSMcurrentStep"];
_isHidden = [aDecoder decodeBoolForKey:@"PSMisHidden"];
partnerView = [[aDecoder decodeObjectForKey:@"PSMpartnerView"] retain];
_awakenedFromNib = [aDecoder decodeBoolForKey:@"PSMawakenedFromNib"];
_lastMouseDownEvent = [[aDecoder decodeObjectForKey:@"PSMlastMouseDownEvent"] retain];
_useOverflowMenu = [aDecoder decodeBoolForKey:@"PSMuseOverflowMenu"];
_automaticallyAnimates = [aDecoder decodeBoolForKey:@"PSMautomaticallyAnimates"];
_alwaysShowActiveTab = [aDecoder decodeBoolForKey:@"PSMalwaysShowActiveTab"];
delegate = [[aDecoder decodeObjectForKey:@"PSMdelegate"] retain];
}
}
[self setTarget:self];
return self;
}
#pragma mark -
#pragma mark IB Palette
- (NSSize)minimumFrameSizeFromKnobPosition:(NSInteger)position {
return NSMakeSize(100.0, 22.0);
}
- (NSSize)maximumFrameSizeFromKnobPosition:(NSInteger)knobPosition {
return NSMakeSize(10000.0, 22.0);
}
- (void)placeView:(NSRect)newFrame {
// this is called any time the view is resized in IB
[self setFrame:newFrame];
[self update:NO];
}
#pragma mark -
#pragma mark Convenience
- (void)bindPropertiesForCell:(PSMTabBarCell *)cell andTabViewItem:(NSTabViewItem *)item {
[self _bindPropertiesForCell:cell andTabViewItem:item];
// watch for changes in the identifier
[item addObserver:self forKeyPath:@"identifier" options:0 context:nil];
}
- (void)_bindPropertiesForCell:(PSMTabBarCell *)cell andTabViewItem:(NSTabViewItem *)item {
// bind the indicator to the represented object's status (if it exists)
[[cell indicator] setHidden:YES];
if([item identifier] != nil) {
if([[[cell representedObject] identifier] respondsToSelector:@selector(isProcessing)]) {
NSMutableDictionary *bindingOptions = [NSMutableDictionary dictionary];
[bindingOptions setObject:NSNegateBooleanTransformerName forKey:@"NSValueTransformerName"];
[[cell indicator] bind:@"animate" toObject:[item identifier] withKeyPath:@"isProcessing" options:nil];
[[cell indicator] bind:@"hidden" toObject:[item identifier] withKeyPath:@"isProcessing" options:bindingOptions];
[[item identifier] addObserver:cell forKeyPath:@"isProcessing" options:0 context:nil];
}
}
// bind for the existence of an icon
[cell setHasIcon:NO];
if([item identifier] != nil) {
if([[[cell representedObject] identifier] respondsToSelector:@selector(icon)]) {
NSMutableDictionary *bindingOptions = [NSMutableDictionary dictionary];
[bindingOptions setObject:NSIsNotNilTransformerName forKey:@"NSValueTransformerName"];
[cell bind:@"hasIcon" toObject:[item identifier] withKeyPath:@"icon" options:bindingOptions];
[[item identifier] addObserver:cell forKeyPath:@"icon" options:0 context:nil];
}
}
// bind for the existence of a counter
[cell setCount:0];
if([item identifier] != nil) {
if([[[cell representedObject] identifier] respondsToSelector:@selector(objectCount)]) {
[cell bind:@"count" toObject:[item identifier] withKeyPath:@"objectCount" options:nil];
[[item identifier] addObserver:cell forKeyPath:@"objectCount" options:0 context:nil];
}
}
// bind for the color of a counter
[cell setCountColor:nil];
if([item identifier] != nil) {
if([[[cell representedObject] identifier] respondsToSelector:@selector(countColor)]) {
[cell bind:@"countColor" toObject:[item identifier] withKeyPath:@"countColor" options:nil];
[[item identifier] addObserver:cell forKeyPath:@"countColor" options:0 context:nil];
}
}
// bind for a large image
[cell setHasLargeImage:NO];
if([item identifier] != nil) {
if([[[cell representedObject] identifier] respondsToSelector:@selector(largeImage)]) {
NSMutableDictionary *bindingOptions = [NSMutableDictionary dictionary];
[bindingOptions setObject:NSIsNotNilTransformerName forKey:@"NSValueTransformerName"];
[cell bind:@"hasLargeImage" toObject:[item identifier] withKeyPath:@"largeImage" options:bindingOptions];
[[item identifier] addObserver:cell forKeyPath:@"largeImage" options:0 context:nil];
}
}
[cell setIsEdited:NO];
if([item identifier] != nil) {
if([[[cell representedObject] identifier] respondsToSelector:@selector(isEdited)]) {
[cell bind:@"isEdited" toObject:[item identifier] withKeyPath:@"isEdited" options:nil];
[[item identifier] addObserver:cell forKeyPath:@"isEdited" options:0 context:nil];
}
}
// bind my string value to the label on the represented tab
[cell bind:@"title" toObject:item withKeyPath:@"label" options:nil];
}
- (NSMutableArray *)representedTabViewItems {
NSMutableArray *temp = [NSMutableArray arrayWithCapacity:[_cells count]];
NSEnumerator *e = [_cells objectEnumerator];
PSMTabBarCell *cell;
while((cell = [e nextObject])) {
if([cell representedObject]) {
[temp addObject:[cell representedObject]];
}
}
return temp;
}
- (id)cellForPoint:(NSPoint)point cellFrame:(NSRectPointer)outFrame {
if([self orientation] == PSMTabBarHorizontalOrientation && !NSPointInRect(point, [self genericCellRect])) {
return nil;
}
NSInteger i, cnt = [_cells count];
for(i = 0; i < cnt; i++) {
PSMTabBarCell *cell = [_cells objectAtIndex:i];
if(NSPointInRect(point, [cell frame])) {
if(outFrame) {
*outFrame = [cell frame];
}
return cell;
}
}
return nil;
}
- (PSMTabBarCell *)lastVisibleTab {
NSInteger i, cellCount = [_cells count];
for(i = 0; i < cellCount; i++) {
if([[_cells objectAtIndex:i] isInOverflowMenu]) {
return [_cells objectAtIndex:(i - 1)];
}
}
return [_cells objectAtIndex:(cellCount - 1)];
}
- (NSInteger)numberOfVisibleTabs {
NSUInteger i, cellCount = 0;
PSMTabBarCell *nextCell;
for(i = 0; i < [_cells count]; i++) {
nextCell = [_cells objectAtIndex:i];
if([nextCell isInOverflowMenu]) {
break;
}
if(![nextCell isPlaceholder]) {
cellCount++;
}
}
return cellCount;
}
#pragma mark -
#pragma mark Accessibility
-(BOOL)accessibilityIsIgnored {
return NO;
}
- (id)accessibilityAttributeValue:(NSString *)attribute {
id attributeValue = nil;
if([attribute isEqualToString: NSAccessibilityRoleAttribute]) {
attributeValue = NSAccessibilityGroupRole;
} else if([attribute isEqualToString: NSAccessibilityChildrenAttribute]) {
attributeValue = NSAccessibilityUnignoredChildren(_cells);
} else {
attributeValue = [super accessibilityAttributeValue:attribute];
}
return attributeValue;
}
- (id)accessibilityHitTest:(NSPoint)point {
id hitTestResult = self;
NSEnumerator *enumerator = [_cells objectEnumerator];
PSMTabBarCell *cell = nil;
PSMTabBarCell *highlightedCell = nil;
while(!highlightedCell && (cell = [enumerator nextObject])) {
if([cell isHighlighted]) {
highlightedCell = cell;
}
}
if(highlightedCell) {
hitTestResult = [highlightedCell accessibilityHitTest:point];
}
return hitTestResult;
}
@end
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